Can I use TCA instead of TFA for protein analyis in RP-HPLC?

I am trying to analyze lipase using the reverse phase-HPLC C18 column. In the literature, 0.1 % TFA was and 60% ACN was used. Can I use TCA in place of TFA? If any other methods are available to...

25 February 2021 2,388 3 View

What is the difference between Q sepharose column and DEAE Sepharose column?

I am working on protein (lipase enzyme) purification. After using the Sephadex G-25 fine column, which column (Q or DEAE sepharose column) should I use? What are the buffers should I select? Thank you

16 February 2021 6,921 5 View

How to use ArcGIS to separate certain % of data points scattered over certain area?

I was able to make a grid using fishnet in ArcGIS. But after that, I need to select 20% of points from each cell and make a different file containing ids of the data points as testing data set....

07 January 2021 9,533 1 View

What if top fiber concrete strain exceeds the ultimate strain when fixing the yield strain in steel i.e to calculate yield moment in circular column?

I have prepared an excel sheet to calculate yield moment and curvature for a hollow circular section. In which Depth of Neutral Axis is fixed using "GOAK SEEK" function. Axial Force is input of...

22 November 2020 4,632 3 View

How to do MD simulation of docked protein complex after docking .?

I have perform some protein-protein docking studies. I used Hdock, Prizm. But I am unable to find a proper method to verify my docked structure. I also docked my structure in Hex program to get...

19 October 2020 4,083 7 View

I want to know about command to fetch XTC and PDB file For markov Calculation?

I am learning markov state model in jupyter notebook. When I am fetching data with mdshare.fetch() command from tutorial its okay. But how I will fetch XTC and PDB File from my local source. Which...

10 August 2020 5,379 3 View

How to fix error of GROMACS topol.top file?

I am doing MD simulations for protein. When i am running the commands the following error is occurred Command which i have used with ubuntu gmx genion -s ions.tpr -o solv_ions.gro -p topol.top...

27 July 2020 3,199 15 View

Which is the best ELISA assay kit for the measurement of mouse serum and urine creatinine?

Hi, I am looking mouse ELISA kit for the evaluation of creatinine level in serum and urine. Could you please suggest me which kit is most reliable for this assay? Regards, Nirmal

03 December 2019 824 4 View

How to Manufacture the Nano Powder of Zirconium or Zirconia from Micron Size available in market?

Zirconia or Zirconium NaNo Powder Production

26 November 2019 2,247 3 View

How to quantify the two components overlapping in HPLC?

I am analyzing the biodiesel using reverse-phase HPLC. Methyl Oleate and Methyl Palmitate are overlapping in a single peak. How can I quantify the individual components from the same peak?

14 November 2019 1,406 9 View

Could you recommend any books about Number Theory?

Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.

03 March 2021 7,174 5 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

What analysis to choose with a large neste dataset and clearly skewed or kurtotic distributions?

Hello! I have a dataset of n=3000 nested within 8 countries with approximately 200 or 400 responses in each country. I originally planned to perform multilevel modelling with 4 dependent variables...

02 March 2021 6,865 1 View

Which is suitable for use with Python? MySQL or SQL Server?

Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?

01 March 2021 3,422 3 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View

Isolates of Hymenoscyphus fraxineus?

Dear Dr. Cai, my name is Simone Prospero and I work in the team of Phytopathology at the Swiss Federal Institute for Forest Snow and Landscape Research (WSL;...

01 March 2021 1,133 1 View

How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 View

What is Flat Lens Antenna?

28 February 2021 5,433 3 View

Can impedance of antenna be less than 50 ohms?

I am simulating helix antenna in hfss, right now, giving excitation with 50 ohms port. When I see the results of Z parameter (real). It shows lower than 50 ohms. Do not understand, if it can be...

27 February 2021 4,218 7 View

What are the application of Fixed points thoery in Chemistry.?

It is said that fixed point theory has lot of applications not in the field of mathematics only but also in various areas. So I am looking for applications in Chemistry only..

26 February 2021 3,533 1 View